Abstract
Selecting impact testers relies on impact energy, specimen specs, standards and long-term stability. This 2026 guide covers HST JB-300B motorized impact tester, introducing its structure, parameters, configurations and global service, helping metallurgy, machinery factories and labs pick cost-effective metal impact testing equipment.
Key Takeaways
· Match impact testers based on energy, sample size and test standards.
· HST JB-300B supports 150J/300J dual energy, high dial precision for lab certification & factory QC.
· Evaluate total ownership cost including maintenance and spare parts, not just purchase price.
· Global after-sales and full standard accessories cut equipment downtime.
· HST JB series has multiple energy models for diversified impact test scenarios.
· Auto pendulum lifting structure and safety guard boost test safety and data repeatability.
Understanding impact testing machine Ecosystem
Impact testers consist of two core parts: high-rigidity cast main frame and motor-driven precision measuring system. HST JB-300B is an integrated solution with cast frame, auto pendulum system, dial indicator and full safety parts, delivering stable impact and repeatable test results.
HST JB-300B: Cost-Effective 150J/300J Motorized Impact Tester Leader
HST GROUP has 20+ years testing machine manufacturing experience. JB-300B sets new benchmark for medium-energy motorized Charpy impact testers.
Application & Materials
· Materials: Carbon steel, alloy steel, steel plate, bar, casting parts
· Test items: Dynamic load Charpy impact toughness test
· Scenarios: Factory inspection, lab research, project acceptance, third-party testing
· Compliant standards: ISO148, EN10045, ASTM E23, GB/T3808-2002, GB/T229-2007
Mechanical Advantages
· Integral heavy cast frame, no deformation under long repeated impact
· Motor auto lift & release pendulum, easy handheld control
· 150° fixed lifting angle, stable 5.2m/s impact speed
· Interchangeable 150J/300J pendulums, complete positioning tooling
· Full safety guard net, optional fully closed protective cover
· 0.1° high angle accuracy, consistent test data
Core Technical Specs
· Max impact energy: 150J / 300J
· Display: Analog dial, division 1J(150J range)/2J(300J range)
· Impact speed: 5.2m/s; Pendulum lifting angle: 150°
· Standard span: 40±0.2mm; Standard sample: 10×10×55mm
· Power: 3-phase AC380V 50Hz; Net weight: 550KG
Standard Accessories
1. Main machine ×1
2. 150J/300J pendulum ×2
3. Positioning plate, centering plate, stripping attachment
4. Anchor bolts, safety guard net
5. Optional full closed protective enclosure
Critical Buying Factors
After-Sales Support
· 12-month whole machine warranty
· Remote video installation & operation training
· Self-owned factory production, stable quality
Total Cost of Ownership
· Low maintenance cost, long service life
· Complete standard accessories, no extra purchasing
· Low energy consumption, stable motor system
Certifications
ISO9001 & CE certified, meets international & domestic standards, available for third-party inspection.
Model Range
HST JB series includes JB-500B, digital JBS, computer-controlled JBW series, customized energy and safety covers available.
Making a Decision That Lasts
HST JB-300B balances stability, precision, cost and service, the ideal 150/300J impact tester choice in 2026. Suitable for mass production inspection, engineering acceptance and lab metal material research.
FAQ
1. Why choose JB-300B? Dual energy switching, auto pendulum system, high rigidity frame, full safety protection, complete accessories, meets all mainstream test standards, simple operation with stable data.
2. What materials can it test? Various metal materials like steel bars, plates, alloy castings for Charpy impact test.
3. Warranty period? 12-month full machine warranty.
4. Installation training provided? Yes, remote video guidance and online operation training.
5. Fit third-party certification? Yes, fully compliant with global standards with ISO9001 and CE certification.
HST GROUP – Focus on Material Test. WhatsApp: +86 15910081986
